@import url('/assets/anthropic-fonts.css');
:root{--bg:#faf9f5;--paper:#fffefa;--ink:#141413;--muted:#65645f;--line:#e8e6dc;--accent:#d97757;--wash:#f3ede5;--link:#94432d;font-family:var(--font-ui);font-optical-sizing:auto;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a{color:var(--link);text-underline-offset:4px}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--ink);outline-offset:4px}::selection{background:#f0cfbd;color:var(--ink)}
.site-head{max-width:1120px;margin:auto;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{text-decoration:none;color:var(--ink);font-size:15px;font-weight:550;display:flex;align-items:center;gap:12px}.brand-symbol{font-family:var(--font-reading);font-weight:500;font-size:37px;line-height:1;color:var(--link)}.course{font-size:12px;color:var(--muted)}main{max-width:760px;padding:38px 28px 64px;margin:auto;min-height:72vh}.intro-layout{max-width:1120px;padding-top:55px}.hero{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.hero-intro{position:sticky;top:40px}.hero h1{font-family:var(--font-reading);font-weight:500;font-size:clamp(39px,4vw,54px);line-height:1.45;letter-spacing:-1.8px;margin-bottom:22px}h1{font-size:38px;line-height:1.4;letter-spacing:-1px;margin:0 0 24px;font-weight:550}h2{font-size:22px;line-height:1.5;margin:32px 0 16px;font-weight:550}p{line-height:1.85}.lede{font-family:var(--font-reading);color:var(--muted);font-size:17px;line-height:1.9;max-width:38em}.tone-art{display:flex;gap:28px;margin:35px 0 30px;padding:0 0 8px;color:var(--ink);font-family:var(--font-reading)}.tone-art span{font-size:64px;line-height:1.2;font-weight:400}.facts{display:flex;gap:24px;padding:24px 0;border-top:1px solid var(--line);margin:20px 0 0}.facts strong{display:block;font-weight:550;font-size:20px;line-height:1.5}.facts small{display:block;margin-top:5px;color:var(--muted);font-size:12px;line-height:1.6}.facts>div:last-child{max-width:140px}.hero-start{border-left:1px solid var(--line);padding-left:38px}.hero-start .note{padding:0;border:0;background:transparent;margin:0 0 25px}.hero-start h2{font-size:16px;font-family:var(--font-ui);margin:8px 0 16px}.hero-start .note p{font-family:var(--font-reading);font-size:16px;line-height:1.9}.note,.panel{background:var(--wash);border:0;border-radius:10px;padding:22px 24px;margin:24px 0}.note{font-size:14px;line-height:1.9}.note p:first-child{margin-top:0}.note p:last-child{margin-bottom:0}.small{font-size:13px;color:var(--muted);line-height:1.85}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 0}.primary,.secondary,.quiet{padding:13px 23px;border-radius:8px;font-weight:550;min-height:48px;border:1px solid transparent;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.primary{background:var(--accent);color:var(--ink)}.primary:hover{background:#ce6c4d}.secondary{background:transparent;border-color:#ceccc2;color:var(--ink)}.secondary:hover{background:var(--line)}.quiet{background:transparent;color:var(--muted);padding:11px 10px;font-size:13px}.quiet:hover{color:var(--ink);background:var(--line)}
.progress-head{display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--muted);font-size:13px;margin-bottom:12px}.progress{height:3px;background:var(--line);overflow:hidden;margin-bottom:36px}.progress-fill{height:100%;background:var(--accent);width:0}.name-title{word-spacing:.12em;font-family:var(--font-reading);font-size:clamp(39px,6vw,58px);font-weight:400;line-height:1.2;letter-spacing:-1.5px;margin:16px 0 13px;overflow-wrap:anywhere}.name-hint{font-size:13px;color:var(--muted);margin:0 0 12px}.tone-row{padding:21px 0;border-bottom:1px solid var(--line)}.tone-row:last-child{border-bottom:0}.syllable{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}.syllable strong{font-family:var(--font-reading);font-size:26px;font-weight:500}.syllable small{font-size:12px;color:var(--muted)}.tone-options{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.tone-choice{background:var(--paper);border:1px solid #d5d2c8;border-radius:7px;min-height:54px;padding:8px 5px;display:flex;gap:10px;align-items:center;justify-content:center;color:var(--ink);font-size:13px}.tone-choice .mark{font-family:var(--font-reading);font-size:27px;line-height:1.2}.tone-choice.extra{grid-column:span 2;min-height:44px;font-size:12px}.tone-choice:hover{border-color:#918b80;background:#f6f1e9}.tone-choice[aria-pressed=true]{background:var(--accent);color:var(--ink);border-color:#a44e33;box-shadow:inset 0 0 0 1px #a44e33}.error{color:#a13220;font-size:14px;line-height:1.7;margin-top:15px}.nav-actions{justify-content:space-between;align-items:center}.nav-actions .primary{min-width:130px}.site-foot{border-top:1px solid var(--line);max-width:1056px;margin:auto;padding:22px 0 30px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:12px}
.field{display:block;margin:26px 0}.field-title{display:block;font-size:15px;font-weight:550;margin-bottom:10px;line-height:1.7}.field input,.field textarea,.field select{display:block;width:100%;padding:12px 14px;background:var(--paper);color:var(--ink);border:1px solid #ceccc2;border-radius:7px;min-height:48px}.field textarea{resize:vertical;min-height:100px}.field select{appearance:auto}.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.8;margin:24px 0}.check input{flex:none;margin-top:4px;width:19px;height:19px;accent-color:var(--link)}.success-mark{display:grid;place-items:center;border-radius:50%;width:48px;height:48px;color:var(--ink);background:#e8e6dc;font-size:24px;margin:8px 0 24px}.reveal-row{padding:19px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:9px}.reveal-row strong{font-family:var(--font-reading);font-size:24px;font-weight:500}.reveal-row span{align-self:center}.reveal-row small{color:var(--muted);grid-column:1/-1;line-height:1.8}.pill{display:inline-block;border-radius:5px;background:var(--wash);padding:4px 9px;font-size:12px}.loading{color:var(--muted);padding:40px 0}.hidden{display:none}.admin-main{max-width:1120px}.admin-main h1{font-family:var(--font-reading);font-weight:500;font-size:42px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:30px}.stat{padding:25px 24px;border-left:1px solid var(--line)}.stat:first-child{border-left:0;padding-left:0}.stat strong{font-family:var(--font-reading);font-weight:400;font-size:39px;display:block;margin-bottom:5px}.stat span{font-size:13px;color:var(--muted)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{color:var(--muted);font-weight:500;background:#f1efe7}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#f5f2e9}.bar{width:90px;height:5px;background:var(--line);border-radius:4px;display:inline-block;vertical-align:middle;margin-right:6px}.bar-fill{height:100%;background:var(--accent);border-radius:4px}details.panel{background:transparent;border:1px solid var(--line);padding:18px 20px;margin:12px 0}summary{cursor:pointer;color:var(--ink);font-size:15px}details[open] summary{margin-bottom:20px}.receipt{font-family:var(--font-code);font-size:13px;overflow-wrap:anywhere}.optional-banner{border-left:3px solid var(--accent);padding-left:20px}.source-note{margin-top:28px}
@media(max-width:800px){.hero{grid-template-columns:1fr;gap:28px}.hero-intro{position:static}.hero-start{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:24px}.intro-layout{max-width:680px;padding-top:28px}.hero h1{font-size:46px}.hero .lede{max-width:30em}.tone-art{margin:24px 0;gap:30px}.tone-art span{font-size:54px}.facts{padding:20px 0 0;margin:0}.site-foot{margin:0 28px}.hero-start .actions{margin-top:20px}}
@media(max-width:480px){.site-head{padding:20px}.brand{font-size:14px;gap:9px}.brand-symbol{font-size:32px}.course{font-size:11px}main{padding:22px 20px 40px}.intro-layout{padding-top:24px}.hero h1{font-size:41px;letter-spacing:-1px;margin-bottom:17px}.hero .lede{font-size:16px}.hero{gap:24px}.tone-art{margin:24px 0 23px;gap:26px}.tone-art span{font-size:49px}.facts{gap:19px}.facts strong{font-size:18px}.facts small{font-size:11px}.hero-start .note p{font-size:15px}.progress{margin-bottom:27px}.name-title{font-size:42px;letter-spacing:-1px}.name-hint{font-size:12px}.tone-row{padding:16px 0}.tone-options{gap:7px}.tone-choice{min-height:51px;gap:6px;font-size:12px}.tone-choice.extra{min-height:43px;font-size:11px}.tone-choice .mark{font-size:24px}.syllable strong{font-size:25px}.syllable small{font-size:11px}.note,.panel{padding:18px}.nav-actions{margin-top:20px}.site-foot{margin:0 20px;padding:20px 0;flex-wrap:wrap}.reveal-row{grid-template-columns:1fr}.reveal-row small{grid-column:auto}.stats-grid{grid-template-columns:1fr 1fr}.stat{padding:18px}.stat:last-child{grid-column:1/-1;border-top:1px solid var(--line);border-left:0;padding-left:0}.stat strong{font-size:31px}.admin-main h1{font-size:34px}.actions{gap:10px}.primary,.secondary{padding:12px 18px}}
/* Follow-ups use the same one-tap selection as pronunciation choices. */
.choice-field{border:0;padding:0;margin:28px 0;min-width:0}.choice-field legend{padding:0;max-width:100%}.answer-options{display:grid;grid-template-columns:1fr;gap:8px}.answer-options.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.answer-choice{min-height:48px;border:1px solid #d5d2c8;border-radius:7px;padding:12px 15px;background:var(--paper);color:var(--ink);text-align:left;font-size:14px;line-height:1.65}.answer-choice:hover{border-color:#918b80;background:#f6f1e9}.answer-choice[aria-pressed=true]{background:var(--accent);border-color:#a44e33;box-shadow:inset 0 0 0 1px #a44e33}.reading-reminder{padding:12px 0;border-bottom:1px solid var(--line);margin-top:0}

.answer-options.compact.three{grid-template-columns:repeat(3,minmax(0,1fr))}.answer-options.compact .answer-choice{text-align:center;padding:10px 8px}.answer-options.three .answer-choice{min-height:65px}